VB.NET Tutorials and Code Samples
MREDKJ's Programming Tutorials and References
The VB.NET section of MREDKJ contains vb.net & asp.net code samples and tips. Refer to Microsoft's .NET page to get started with vb.net
dropdownbinding.html - Bug or undocumented functionality found when binding a dropdownlist control's value field to a string property.
FixNull.html - VB.NET Function - Handle Null Values returned from a database
OpenSaveImage.html - VB.NET Function - The System.Drawing namespace and image files
RedimTip.html - This is a conversion of the tip contained in my old vb 6 pages.
textboxmaxlength.html - WebControl and Source Code showing how to set the maxlength for a asp.net textbox control.
ReturnOS.html - The function and Enumeration makes finding which OS is running simple.
CustomDragIcon.html - The dragicon property from vb6 no longer exists in vb.net so setting the icon to use for a cursor when dragging is a bit more difficult.
CreateCircleForm.html - Code sample showing how to create non rectangular forms(in the code sample an oval form.).
CheckBoxListItemDisable.html - javascript Function to disable items in an asp.net CheckboxList
AppPath.html - Get the application path of a vb.net executable.
textboxtextchangedpostback.html - Code to get raise the textchanged event when leaving a textbox control
OpenDesignError.html - Solution to the "Could not open in Design view. Quote Values differently inside a '&lgt;%... "value" ...%>' block." error.
OpenURL.html - Opens a URL in the default web application from vb.net
GeneratePrimes.html - This is a simple Prime number algorithm based on the Sieve of Eratosthenes
Novutaire.html - VB.NET source code for solitaire game
UnableToOpenWebProject.html - Solution to "Unable to open web project" Error
ResourceList.html - Links to useful ASP.NET and VB.NET components and resources
CollectionSort.html - VB.NET Functions to sort a collection based on any property of a the class type held by the collection.
RSAdminAccessError.html - Solution to Blank Administrator page in the Report Manager
permutation.html - VB.NET Functions to create all permutations of a given string.
TextboxScriptFunctions.html - Javascript functions to perform simple actions without posting back to the server.
SQLReservedWords.html - Check for sql server 2000 reserved words
NumericTextBox.html - Autocomplete Dropdownlist control for ASP.NET
AutoCompleteDropdownlist.html - Autocomplete Dropdownlist control for ASP.NET
randomnumbers.html - How to generate random numbers using VB.NET
ASPTreeviewStyle.html - Full control over Treeview style
vbnetmapdrive.html - Mapping a drive using VB.net
aspnetdatagridheaderstyle.html - How to format the headers for sortable columns using an external stylesheet
AppPath2005.html - Get the application path of a vb.net 2005 executable.
ReadFile2005.html - Read a text file into a string variable with vb.net 2005
downloadfile.html - How to Ping,Upload and Download using vb.net vb.net 2005
JSConfirmMessage.html - Very simple code to ASP.NET to allow a user to confirm or cancel a button click
zerofill.html - Format a number to be zero filled
GetHexColor.html - VB.NET Convert System.Drawing.Color to Hex String Function
scriptCallback.html - A Simple Script Callback example written in VB.Net
CompositeMortgageControl.html - Mortgage Calculator Composite control
AnimatedGifOnPostback.html - ASP.NET Keep an animated gif from freezing after triggering a postback.
RSNullCheck.html - Check For Null Column Value in an Reporting Services Textbox expression.
HideCursor.html - This is a conversion of the tip contained in my old vb 6 pages. The code hides a mouse cursor in a vb.net application.
Closebrowser.html - Very simple code to close a browser window on a button click in ASP.NET
pageloadnotfiring.html - Page Load not fired for pages opened with showModalDialog
ASPTreeviewToolTip.html - How to display a toolTip per node in the MS Treeview Webcontrol
WaitScreenControl.html - Wait Screen Control
PreventPostbackFlash.html - Using page transitions to eliminate flicker on page postbacks
vbcrlf.html - Best method for adding new lines to text in .net